Recommended System for Mesopic Photometry Based on Visual Performance

The CIE Recommended System for Mesopic Photometry Based on Visual Performance has now been published. CIE TC1-58 now dissolved. Now there is new a reference standard for the Mesopic viewer and Mesopic lighting conditions.

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Light May Be Connected to Breast Cancer : NPR

Exposure to light at night increases breast cancer risk. New research from Israel indicates a melatonin connection. Madeleine Brand talks to medical contributor Sydney Spiesel about the findings. Listen to this NPR podcast.

Empire State Building car zap mystery

In the shadow of the Empire State Building lies an "automotive Bermuda Triangle" - a five-block radius where vehicles mysteriously die. (Perhaps the color changing LED lighting at the top is the problem ; )

Light Pollution May Lead To Chronic Insomnia

Modern lifestyles may lead to increasing sleep deprivation among young & old alike. Many have at least one or more sleepless nights, according to a recent study published in Sleep and Biological Rhythms.

Irish Screw Up!

In Ireland, does it take an electrician to change a light bulb? Hospitals say no. So how many electricians does it take to change a light bulb? Lots, apparently, in an Irish hospital.

Hormones & Cancer: Assessing the Risks

When researchers reported recently that a precipitous drop in breast cancer rates might be explained by a corresponding decrease in the use of hormones for menopause, women reacted with shock, anger and, in some cases, profound relief that they had never taken the drugs.

End of the Road for Traffic Lights?

Most traffic lights should be torn up as they make roads less safe, one of Europe's leading road engineers said yesterday.

OLED "Light Bandage" Helps in Treatment of Skin Cancer

A portable skin cancer treatment uses an OLED light source to activate a photosensitive drug.

Wal-Mart Grows 'Green' Strategies

The $312.4 billion retailing giant has launched an aggressive program to encourage "sustainability" of the world's fisheries, forests and farmlands, to slash energy use and reduce waste.

optics.org

Vehicle exhaust monitoring and fire rescue operations could benefit from an affordable, surface-structured PbSe chip that operates at 25 degC and emits more than 2 mW in the mid-infrared.

Breast Cancer Update: Light at Night Risk + New Scanner

LEDs Target Breast Cancer Tumours: US Scientists have developed the first hand-held optical scanner for early detection of breast cancer. The device, is intended to complement traditional breast screening methods.

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SMEs Clueless About VoIP

A survey of 500 SME execs found only 1 in 8 firms are using the Internet to make phone calls which helps them save money on telecoms and IT costs.

UK Allocates Millions for LED Lighting Projects

UK Department of Trade & Industry will provide £9 million for collaborative R&D in organic electronics & solid-state lighting.

Making Phones Easy To Use

Some thoughts on making cell phones easier to use. More design and less engineering needed.

China Buys Google

Today China acquired a controlling stake in Google. 140m Class B shares are now owned by the Chinese Ministry of Information. The news was disclosed in a Captcha graphic on the Google Canteen Menu weblog.

Freakonomics: How Many Lives Did Dale Earnhardt Save?

Dubner & Levitt look at the numbers behind NASCAR's crashes & driver deaths. By comparing these to crash & death rates on US highways, they discovered some startling facts.

Skype: 6 Million Users Online

Five million Skype Jan 20, 2006. Four million October 20, 2005. This cycle time is about 90 days. This summer expect 7 million & this time next year 10 million.

Skype: More Than Just Talk...

Why Skype? Communications Evolution

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Eye-Safe Laser Detects Greenhouse Gases

Remote atmospheric gas sensing & medicine may benefit from development of a new laser. Researchers at INFM Pisa and the Milan Polytechnic, in Italy, have developed an eye-safe laser emitting at 1.93 microns.

Singapore $13.55 Billion Boost for R&D

Singapore is chasing R&D high flyers Sweden, Finland and Japan as it kicks off the latest round of its five yearly science and technology spending plan.

Skype Updates Small Business Account Management

Skype has upgraded the "Skype Control Panel" service, formerly Skype Groups, with automatic topping up of employee accounts. This is a small start for business services.

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Nicha Gives Up Rights on LED Patent to Shuji Nakamura

Shuji Nakamura wins the patent he made while at Nichia for blue light-emitting diodes. "Japan is treating people as though they're all robots," he told reporters last year. "I'm so lucky I work in the United States.

Skype Conference Calls: AMD Vs Intel - Solutions Anyone?

It would seem that the conference call originator needs the greater capacity CPU and that this capacity may always set some sort of limits. Skype call quality is better than any telephone service and Skype certainly is my first telephone of choice.

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Artificial Atoms Amplify Light

A UK-Swiss team describes how it generated laser light without the need for a population inversion in the current issue of Nature Materials. Physicists have found a new way to amplify light that could make lasers more efficient.

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John S. Richards

Articles Posted: 19
Links Seeded: 42
Member Since: 1/2006Last Seen: 10/05/2010

Mr. Richards is a Lighting Designer and Consultant.

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